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Why is difficult to hold one's breath be...

Why is difficult to hold one's breath beyond a limit?

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  • Respriration and circulation

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CHETANA PUBLICATION-Respriration and circulation-EXCERCISE
  1. Why is difficult to hold one's breath beyond a limit?

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  2. The muscular structure that separated the thoracic and abdominal cavit...

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  3. What is the minimum number of plasma membrane that oxygen has to diffu...

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  4. …… is a sound producing organ,

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  5. The maximum volume of gas that is inhale during breathing in addition ...

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  6. ….. Muscles contract when the external intercostal muscles contract

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  7. Movement of cytoplasm in unicellular organisms is called……

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  8. Which of the following animals do not have closed circulation?

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  9. Diapedesis is performed by…..

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  10. Pacemaker of heart is …… .

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  11. Which of the following is without nucleus?

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  12. cockroach shows which kind of circulatory system?

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  13. Diapedesis can be seen in …. Cell.

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  14. Opening of inferior vena cava is guarded by ….

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  15. …. wave in ECG represents atrial depolarization.

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  16. The fluid seen in the intercellular spaces in Human is….

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  17. Select the correct alternative and write the answer: Erythrocytes of t...

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  18. Select the correct alternative and write the answer: During systole

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  19. Select the correct alternative and write the answer: Thickening of art...

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  20. Answer the following questions: Name any one main lymphatic duct.

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  21. Answer the following questions: Name any pace maker of human heart.

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